Green Mountain Power Corp Electricity Rates and Average Bill (Vermont)
Data through June 2026 (the latest month EIA has published) · Updated September 04, 2026
As of June 2026, Green Mountain Power Corp's residential customers in Vermont paid an average effective rate of 25.23¢/kWh with an average monthly bill of $125.60, per EIA Form 861-M data. That rate is 0.8¢ above the Vermont average of 24.44¢/kWh; the U.S. average is 18.34¢/kWh.
Rate trend vs the Vermont average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| July 2025 | 22.53 | 148.63 | 660 |
| August 2025 | 22.77 | 128.20 | 563 |
| September 2025 | 24.76 | 110.66 | 447 |
| October 2025 | 25.62 | 127.50 | 498 |
| November 2025 | 24.47 | 151.40 | 619 |
| December 2025 | 23.64 | 189.28 | 801 |
| January 2026 | 23.51 | 195.96 | 833 |
| February 2026 | 23.48 | 166.40 | 709 |
| March 2026 | 24.30 | 155.74 | 641 |
| April 2026 | 25.07 | 119.85 | 478 |
| May 2026 | 25.66 | 122.69 | 478 |
| June 2026 | 25.23 | 125.60 | 498 |
Green Mountain Power Corp vs Vermont vs the U.S.
| Green Mountain Power Corp | Vermont | U.S. average | |
|---|---|---|---|
| Rate (June 2026) | 25.23¢/kWh | 24.44¢/kWh | 18.34¢/kWh |
| Average monthly bill | $125.60 | $124.54 | $170.65 |
| Average monthly usage | 498 kWh | 510 kWh | 930 kWh |
| Rate change, 1 year | +7.5% | +6.3% | +5.0% |
Estimate a bill at Green Mountain Power Corp rates
Worked example: 1,000 kWh at Green Mountain Power Corp's average effective rate of 25.23¢/kWh is about $252.30. The utility's actual average usage is 498 kWh/month, which produces the $125.60 average bill. This is an all-in average (energy, delivery, fixed charges, riders); your tariff's marginal price will differ.
See the full Vermont rate trend, look up another utility by ZIP code, or read why electric bills are rising.
Source: EIA Form 861-M (monthly utility-level sales to ultimate customers, residential), published with roughly a two-month lag. Rate = revenue ÷ sales; bill = revenue ÷ customers. Months failing basic sanity screens are excluded. See methodology.